How do I set the selected item in a comboBox to match my string using C

Question

I have a string  test1  and my comboBox contains test1  test2  and test3  How do I set the selected item to  test1   That is  how do I match my string to one of the comboBox items   I was thinking of the line below  but this doesn t work   comboBox1 SelectedText    test1

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combo Items FindByValue  1   Selected   true

User · Answer

SelectedText is to get or set the actual text in the string editor for the selected item in the combobox as documented here    This goes uneditable if you set   comboBox1 DropDownStyle   System Windows Forms ComboBoxStyle DropDownList    Use   comboBox1 SelectedItem    test1     or   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1

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I used KeyValuePair  for ComboBox data bind and I wanted to find item by value so this worked in my case   comboBox SelectedItem   comboBox Items Cast lt KeyValuePair lt string string gt  gt    First item  gt  item Value     value to match

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Supposing test1  test2  test3 belong to comboBox1 collection following statement will work    comboBox1 SelectedIndex   0

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Please try this way  it works for me   Combobox1 items Combobox1 selectedIndex     replaced text

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this works for me       comboBox DataSource To lt DataTable gt    Select   valueMember        valueToBeSelected        0   DislplayMember

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Have you tried the Text property  It works for me    ComboBox1 Text    test1     The SelectedText property is for the selected portion of the editable text in the textbox part of the combo box

User · Answer

Enumerate ListItems in combobox Get equal ones listindex set combobox    Set listindex to the found one    But if I see such a code as a code reviewer  I would recommend to reconsider all the method algorithm

User · Answer

I used KeyValuePair  for ComboBox data bind and I wanted to find item by value so this worked in my case   comboBox SelectedItem   comboBox Items Cast lt KeyValuePair lt string string gt  gt    First item  gt  item Value     value to match

User · Answer

I ve used an extension method   public static void SelectItemByValue this ComboBox cbo  string value        for int i 0  i  lt  cbo Items Count  i                  var prop   cbo Items i  GetType   GetProperty cbo ValueMember           if  prop  null  amp  amp  prop GetValue cbo Items i   null  ToString      value                         cbo SelectedIndex   i               break                       Then just consume the method   ddl SelectItemByValue value

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You can say comboBox1 Text   comboBox1 Items 0  ToString

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This should do the trick   Combox1 SelectedIndex   Combox1 FindStringExact  test1

User · Answer

cmbTemplates SelectedText    test1    or maybe   cmbTemplates SelectedItem   cmbTemplates Items Equals  test1

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cmbTemplates SelectedText    test1    or maybe   cmbTemplates SelectedItem   cmbTemplates Items Equals  test1

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You can say comboBox1 Text   comboBox1 Items 0  ToString

User · Answer

If the items in your ComboBox are strings  you can try   comboBox1 SelectedItem    test1

User · Answer

For me this worked only   foreach  ComboBoxItem cbi in someComboBox Items        if  cbi Content as String     sometextIntheComboBox                 someComboBox SelectedItem   cbi          break            MOD  and if You have your own objects as items set up in the combobox  then substitute the ComboBoxItem with one of them like   foreach  Debitor d in debitorCombo Items        if  d Name     Chuck Norris                 debitorCombo SelectedItem   d          break

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I ve filled my ComboBox with een DataTable filled from a database  Then I ve set the DisplayMember and the ValueMember  And I use this code to set the selected item   foreach  DataRowView Row in ComboBox1 Items        if  Row  ColumnName   ToString       Value   ComboBox1 SelectedItem   Row

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It should work     Yourcomboboxname setselecteditem  yourstring      And if you want to set database string use this  Comboboxname setselecteditem ps get string  databasestring

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You don t have that property in the ComboBox  You have SelectedItem or SelectedIndex  If you have the objects you used to fill the combo box then you can use SelectedItem   If not you can get the collection of items  property Items  and iterate that until you get the value you want and use that with the other properties   hope it helps

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ComboBox1 SelectedIndex  ComboBox1 FindString  Matching String      Try this in windows Form

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ListItem li   DropDownList Items FindByValue  13001      DropDownList SelectedIndex   ddlCostCenter Items IndexOf li     For your case you can use    DropDownList Items FindByText  Text

User · Answer

Please try this way  it works for me   Combobox1 items Combobox1 selectedIndex     replaced text

User · Answer

If the items in your ComboBox are strings  you can try   comboBox1 SelectedItem    test1

User · Answer

Assuming that your combobox isn t databound you would need to find the object s index in the  items  collection on your form and then set the  selectedindex  property to the appropriate index   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1      Keep in mind that the IndexOf function may throw an argumentexception if the item isn t found

User · Answer

If the items in your ComboBox are strings  you can try   comboBox1 SelectedItem    test1

User · Answer

Supposing test1  test2  test3 belong to comboBox1 collection following statement will work    comboBox1 SelectedIndex   0

User · Answer

Assuming that your combobox isn t databound you would need to find the object s index in the  items  collection on your form and then set the  selectedindex  property to the appropriate index   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1      Keep in mind that the IndexOf function may throw an argumentexception if the item isn t found

User · Answer

Assuming that your combobox isn t databound you would need to find the object s index in the  items  collection on your form and then set the  selectedindex  property to the appropriate index   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1      Keep in mind that the IndexOf function may throw an argumentexception if the item isn t found

User · Answer

Have you tried the Text property  It works for me    ComboBox1 Text    test1     The SelectedText property is for the selected portion of the editable text in the textbox part of the combo box

User · Answer

You don t have that property in the ComboBox  You have SelectedItem or SelectedIndex  If you have the objects you used to fill the combo box then you can use SelectedItem   If not you can get the collection of items  property Items  and iterate that until you get the value you want and use that with the other properties   hope it helps

User · Answer

SelectedText is to get or set the actual text in the string editor for the selected item in the combobox as documented here    This goes uneditable if you set   comboBox1 DropDownStyle   System Windows Forms ComboBoxStyle DropDownList    Use   comboBox1 SelectedItem    test1     or   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1

User · Answer

comboBox1 SelectedItem Text    test1

User · Answer

Find mySecondObject  of type MyObject  in combobox  containing a list of MyObjects  and select the item   foreach  MyObject item in comboBox Items       if  item NameOrID    mySecondObject NameOrID                comboBox SelectedItem   item          break

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It should work     Yourcomboboxname setselecteditem  yourstring      And if you want to set database string use this  Comboboxname setselecteditem ps get string  databasestring

User · Answer

Supposing test1  test2  test3 belong to comboBox1 collection following statement will work    comboBox1 SelectedIndex   0

User · Answer

This should do the trick   Combox1 SelectedIndex   Combox1 FindStringExact  test1

User · Answer

This solution is based on MSDN with some modifications I made    It finds exact or PART of string and sets it   private int lastMatch   0  private void textBoxSearch TextChanged object sender  EventArgs e           Set our intial index variable to -1      int x   0      string match   textBoxSearch Text         If the search string is empty set to begining of textBox     if  textBoxSearch Text Length    0                bool found   true          while  found                        if  comboBoxSelect Items Count    x                                comboBoxSelect SelectedIndex   lastMatch                  found   false                            else                               comboBoxSelect SelectedIndex   x                  match   comboBoxSelect SelectedValue ToString                    if  match Contains textBoxSearch Text                                         lastMatch   x                      found   false                                    x                                      else         comboBoxSelect SelectedIndex   0       I hope I helped

User · Answer

ListItem li   DropDownList Items FindByValue  13001      DropDownList SelectedIndex   ddlCostCenter Items IndexOf li     For your case you can use    DropDownList Items FindByText  Text

User · Answer

You don t have that property in the ComboBox  You have SelectedItem or SelectedIndex  If you have the objects you used to fill the combo box then you can use SelectedItem   If not you can get the collection of items  property Items  and iterate that until you get the value you want and use that with the other properties   hope it helps

User · Answer

SelectedText is to get or set the actual text in the string editor for the selected item in the combobox as documented here    This goes uneditable if you set   comboBox1 DropDownStyle   System Windows Forms ComboBoxStyle DropDownList    Use   comboBox1 SelectedItem    test1     or   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1

User · Answer

I ve filled my ComboBox with een DataTable filled from a database  Then I ve set the DisplayMember and the ValueMember  And I use this code to set the selected item   foreach  DataRowView Row in ComboBox1 Items        if  Row  ColumnName   ToString       Value   ComboBox1 SelectedItem   Row

User · Answer

I have created a Function which will return the Index of the Value          public static int SelectByValue ComboBox comboBox  string value                        int i   0              for  i   0  i  lt   comboBox Items Count - 1  i                                  DataRowView cb                  cb    DataRowView comboBox Items i                   if  cb Row ItemArray 0  ToString      value    Change the 0 index if your want to Select by Text as 1 Index                                       return i                                              return -1

User · Answer

Assuming that your combobox isn t databound you would need to find the object s index in the  items  collection on your form and then set the  selectedindex  property to the appropriate index   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1      Keep in mind that the IndexOf function may throw an argumentexception if the item isn t found

User · Answer

cmbTemplates SelectedText    test1    or maybe   cmbTemplates SelectedItem   cmbTemplates Items Equals  test1

User · Answer

I have created a Function which will return the Index of the Value          public static int SelectByValue ComboBox comboBox  string value                        int i   0              for  i   0  i  lt   comboBox Items Count - 1  i                                  DataRowView cb                  cb    DataRowView comboBox Items i                   if  cb Row ItemArray 0  ToString      value    Change the 0 index if your want to Select by Text as 1 Index                                       return i                                              return -1

User · Answer

Enumerate ListItems in combobox Get equal ones listindex set combobox    Set listindex to the found one    But if I see such a code as a code reviewer  I would recommend to reconsider all the method algorithm

User · Answer

combo Items FindByValue  1   Selected   true

User · Answer

You don t have that property in the ComboBox  You have SelectedItem or SelectedIndex  If you have the objects you used to fill the combo box then you can use SelectedItem   If not you can get the collection of items  property Items  and iterate that until you get the value you want and use that with the other properties   hope it helps

User · Answer

Have you tried the Text property  It works for me    ComboBox1 Text    test1     The SelectedText property is for the selected portion of the editable text in the textbox part of the combo box

User · Answer

I ve used an extension method   public static void SelectItemByValue this ComboBox cbo  string value        for int i 0  i  lt  cbo Items Count  i                  var prop   cbo Items i  GetType   GetProperty cbo ValueMember           if  prop  null  amp  amp  prop GetValue cbo Items i   null  ToString      value                         cbo SelectedIndex   i               break                       Then just consume the method   ddl SelectItemByValue value

User · Answer

If the items in your ComboBox are strings  you can try   comboBox1 SelectedItem    test1

User · Answer

Enumerate ListItems in combobox Get equal ones listindex set combobox    Set listindex to the found one    But if I see such a code as a code reviewer  I would recommend to reconsider all the method algorithm

User · Answer

this works for me       comboBox DataSource To lt DataTable gt    Select   valueMember        valueToBeSelected        0   DislplayMember

User · Answer

All methods  tricks  and lines of code setting ComboBox item will not work until the ComboBox has a parent

User · Answer

Supposing test1  test2  test3 belong to comboBox1 collection following statement will work    comboBox1 SelectedIndex   0

User · Answer

Enumerate ListItems in combobox Get equal ones listindex set combobox    Set listindex to the found one    But if I see such a code as a code reviewer  I would recommend to reconsider all the method algorithm

User · Answer

All methods  tricks  and lines of code setting ComboBox item will not work until the ComboBox has a parent

User · Answer

SelectedText is to get or set the actual text in the string editor for the selected item in the combobox as documented here    This goes uneditable if you set   comboBox1 DropDownStyle   System Windows Forms ComboBoxStyle DropDownList    Use   comboBox1 SelectedItem    test1     or   comboBox1 SelectedIndex   comboBox1 Items IndexOf  test1

User · Answer

This should do the trick   Combox1 SelectedIndex   Combox1 FindStringExact  test1

User · Answer

Have you tried the Text property  It works for me    ComboBox1 Text    test1     The SelectedText property is for the selected portion of the editable text in the textbox part of the combo box

User · Answer

This solution is based on MSDN with some modifications I made    It finds exact or PART of string and sets it   private int lastMatch   0  private void textBoxSearch TextChanged object sender  EventArgs e           Set our intial index variable to -1      int x   0      string match   textBoxSearch Text         If the search string is empty set to begining of textBox     if  textBoxSearch Text Length    0                bool found   true          while  found                        if  comboBoxSelect Items Count    x                                comboBoxSelect SelectedIndex   lastMatch                  found   false                            else                               comboBoxSelect SelectedIndex   x                  match   comboBoxSelect SelectedValue ToString                    if  match Contains textBoxSearch Text                                         lastMatch   x                      found   false                                    x                                      else         comboBoxSelect SelectedIndex   0       I hope I helped

User · Answer

This should do the trick   Combox1 SelectedIndex   Combox1 FindStringExact  test1

User · Answer

cmbTemplates SelectedText    test1    or maybe   cmbTemplates SelectedItem   cmbTemplates Items Equals  test1

User · Answer

Find mySecondObject  of type MyObject  in combobox  containing a list of MyObjects  and select the item   foreach  MyObject item in comboBox Items       if  item NameOrID    mySecondObject NameOrID                comboBox SelectedItem   item          break

User · Answer

For me this worked only   foreach  ComboBoxItem cbi in someComboBox Items        if  cbi Content as String     sometextIntheComboBox                 someComboBox SelectedItem   cbi          break            MOD  and if You have your own objects as items set up in the combobox  then substitute the ComboBoxItem with one of them like   foreach  Debitor d in debitorCombo Items        if  d Name     Chuck Norris                 debitorCombo SelectedItem   d          break

User · Answer

comboBox1 SelectedItem Text    test1

User · Answer

ComboBox1 SelectedIndex  ComboBox1 FindString  Matching String      Try this in windows Form

[c#] How do I set the selected item in a comboBox to match my string using C#?

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