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I have added like this...
 DataGridViewCheckBoxColumn checkColumn = new DataGridViewCheckBoxColumn();
                checkColumn.AutoSizeMode =
                checkColumn.CellTemplate = new DataGridViewCheckBoxCell();
                checkColumn.FalseValue = true;
                checkColumn.HeaderText = "SelectCompany";
                checkColumn.Name = "CheckBoxes";
                checkColumn.TrueValue = true;
                checkColumn.FalseValue = false;
But I am not able to check the checkboxes
Posted 21-Jun-12 20:11pm
Edited 21-Jun-12 20:14pm
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Solution 1

Once you have your data in the grid, you can loop through the rows and check each box like this:
foreach (DataGridViewRow row in dataGridView1.Rows)
        row.Cells[CheckBoxColumn1.Name].Value = true;
The Click event you can get like this:
private void button1_Click(object sender, EventArgs e)
        List<DataGridViewRow> rows_with_checked_column = new List<DataGridViewRow>();
        foreach (DataGridViewRow row in dataGridView1.Rows)
            if (Convert.ToBoolean(row.Cells[CheckBoxColumn1.Name].Value) == true)
        // Do what you want with the check rows
Good example on MSDN[^]
Check out Detailed description[^] here.
Member 9364222 at 4-Oct-12 6:52am
i have a gridview with a checkbox column,databound column and a textbox template column.Initially the text box column is not visible. when i click the checkbox in a row the corresponding row's text box should be visible.
my gridview
<asp:GridView ID="gvwProduct" OnPageIndexChanging="gridView_PageIndexChanging" runat="server"
AutoGenerateColumns="False" EnableModelValidation="True"
Width="259px" Height="130px"> <%--onselectedindexchanged="gvwProduct_SelectedIndexChanged">--%>

<asp:TemplateField HeaderText="Check" >

<asp:CheckBox ID="chkbxPrd" AutoPostBack="true" runat="server" />

<asp:BoundField DataField="cService_Desc" HeaderText="Product/Service" runat="server" />

<asp:TemplateField HeaderText="Contract Value">

<asp:Label ID="lblPrd" runat="server" Visible="true"/>
<asp:TextBox ID="txtPrd" runat="server" Visible="false" />

is there any solution for this
Chavakorn at 19-May-13 8:24am
Sorry I have a question that this Code for Gridview or DataGridview ?
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Solution 2


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