Adding values to specific DataTable cells

Question

I m wondering if it s possible to add values to specific DataTable cells   Suppose I have an existing dataTable and I add a new column  how would I go about adding to the new column s rows without overwriting the existing columns  rows   As far as I m aware  there isn t a method for adding to specific cells  unless I m wrong      dt Rows Add a  b  c  d    where a  b  c and d are string values  So what if I just want to add to the d column    Any help would be appreciated

User · Answer

I think you can t do that but atleast you can update it  In order to edit an existing row in a DataTable  you need to locate the DataRow you want to edit  and then assign the updated values to the desired columns   Example   DataSet1 Tables 0  Rows 4  Item 0     Updated Company Name  DataSet1 Tables 0  Rows 4  Item 1     Seattle    SOURCE HERE

User · Answer

You mean you want to add a new row and only put data in a certain column  Try the following   var row   dataTable NewRow    row myColumn  Value    my new value   dataTable Add row     As it is a data table  though  there will always be data of some kind in every column  It just might be DBNull Value instead of whatever data type you imagine it would be

User · Answer

If anyone is looking for an updated correct syntax for this as I was  try the following   Example  dg Rows 0  Cells 6  Value    test

User · Answer

If it were a completely new row that you wanted to only set one value  you would need to add the whole row and then set the individual value   DataRow dr   dt NewRow    dr 3  Value    Some Value   dt Rows Add dr     Otherwise  you can find the existing row and set the cell value  DataRow dr   dt Rows theRowNumber   dr 3     New Value

User · Answer

Try this   dt Rows RowNumber   ColumnName      Your value    For example  if you want to add value 5  number 5  to 1st row and column name  index  you would do this  dt Rows 0   index     5    I believe DataTable row starts with 0

[c#] Adding values to specific DataTable cells

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