how to bind datatable to datagridview in c

Question

I need to bind my DataTable to my DataGridView  i do this          DTable   new DataTable            SBind   new BindingSource              ServersTable - DataGridView         for  int i   0  i  lt  ServersTable ColumnCount    i                        DTable Columns Add new DataColumn ServersTable Columns i  Name                       for  int i   0  i  lt  Apps Count    i                        DataRow r   DTable NewRow                r BeginEdit                foreach  DataColumn c in DTable Columns                                r c ColumnName      writing values                           r EndEdit                DTable Rows Add r                     SBind DataSource   DTable          ServersTable DataSource   SBind   But all i got is DataTable ADDS NEW columns to my DataGridView  I don t need this  i just need to write under existing columns

User · Answer

I built my datatable first  and populated it  columns  rows and all    Then  once the datatable is functional  do the following to bind it to the DGV   NOTE  the DGV s AutoGenerateColumns property must be  true  for this example  or the  assigning  of column names from datatable to dgv will not work  I also  added  my datatable to a dataset previously  but I don t think that is necessary    BindingSource SBind   new BindingSource     SBind DataSource   dtSourceData    ADGView1 AutoGenerateColumns   true     must be  true  here  ADGView1 Columns Clear     ADGView1 DataSource   SBind      set DGV s column names and headings from the Datatable properties  for  int i   0  i  lt  ADGView1 Columns Count  i              ADGView1 Columns i  DataPropertyName   dtSourceData Columns i  ColumnName         ADGView1 Columns i  HeaderText   dtSourceData Columns i  Caption      ADGView1 Enabled   true   ADGView1 Refresh

User · Answer

foreach  DictionaryEntry entry in Hashtable        datagridviewTZ Rows Add entry Key ToString    entry Value ToString

User · Answer

private void Form1 Load object sender  EventArgs e                DataTable StudentDataTable   new DataTable  Student               perform this on the Load Event of the form         private void AddColumns                          StudentDataTable Columns Add  First Int Column   typeof int                StudentDataTable Columns Add  Second String Column   typeof String                 this dataGridViewDisplay DataSource   StudentDataTable                         Save Button Event to save the form field to the table which is then bind to the TableGridView     private void SaveForm                         StudentDataTable Rows Add new object     textBoxFirst Text  textBoxSecond Text                 dataGridViewDisplay DataSource   StudentDataTable

User · Answer

Even better    DataTable DTable   new DataTable    BindingSource SBind   new BindingSource    SBind DataSource   DTable  DataGridView ServersTable   new DataGridView     ServersTable AutoGenerateColumns   false  ServersTable DataSource   DTable   ServersTable DataSource   SBind  ServersTable Refresh      You re telling the bindable source that it s bound to the DataTable  in-turn you need to tell your DataGridView not to auto-generate columns  so it will only pull the data in for the columns you ve manually input into the control    lastly refresh the control to update the databind

User · Answer

On the DataGridView  set the DataPropertyName of the columns to your column names of your DataTable

User · Answer

for example we want to set a DataTable  Users  to DataGridView by followig 2 steps   step 1 - get all Users by    public DataTable  getAllUsers                 OracleConnection Connection   new OracleConnection stringConnection           Connection ConnectionString   stringConnection          Connection Open             DataSet dataSet   new DataSet             OracleCommand cmd   new OracleCommand  semect   from Users            cmd CommandType   CommandType Text          cmd Connection   Connection           using  OracleDataAdapter dataAdapter   new OracleDataAdapter                          dataAdapter SelectCommand   cmd              dataAdapter Fill dataSet                      return dataSet Tables 0           step  2- set the return result to DataGridView     public void setTableToDgv DataGridView DGV  DataTable table                DGV DataSource   table          using example       setTableToDgv dgv client getAllUsers

User · Answer

Try this       ServersTable Columns Clear        ServersTable DataSource   SBind    If you don t want to clear all the existing columns  you have to set DataPropertyName for each existing column like this   for  int i   0  i  lt  ServersTable ColumnCount    i      DTable Columns Add new DataColumn ServersTable Columns i  Name      ServersTable Columns i  DataPropertyName   ServersTable Columns i  Name

[c#] how to bind datatable to datagridview in c#

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