How to maintain the state of the checkboxes

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Hi Everyone,

i have four columns in a gridview .Every field is a template field with checkboxes.I have a button. when i check the check boxes and store it in database the checkbox value is storing. but after clicking the button the checkboxes unchecked. how to make the checkboxes checked .

Posted 13-Apr-14 22:41pm

Member 10578683

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syed shanu 14-Apr-14 4:47am

rebind the grid after button click.i think when you bind the data to grid if the check box colum is true then the check box will be as checked.

Member 10578683 14-Apr-14 5:02am

i did like this but checkboxes are not checked. my code is
protected void Button7_Click(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView1.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
if (Session["Role_Name"] != null && !string.IsNullOrEmpty(Session["Role_Name"].ToString()))
{
CheckBox chkAdd = (row.Cells[2].FindControl("CheckBox1") as CheckBox);
CheckBox chkEdit = (row.Cells[3].FindControl("CheckBox2") as CheckBox);
CheckBox chkView = (row.Cells[4].FindControl("CheckBox3") as CheckBox);
CheckBox chkDelete = (row.Cells[5].FindControl("CheckBox4") as CheckBox);
// string strID = row.Cells[0].Text;
string ID = row.Cells[0].Text;
string Pages = row.Cells[1].Text;
con.Open();
string query = "Update Role1 set [Add]='" + (chkAdd.Checked == true ? 'Y' : 'N') + "', [View]='" + (chkView.Checked == true ? 'Y' : 'N') + "' ,[Edit]='" + (chkEdit.Checked == true ? 'Y' : 'N') + "' ,[Delete]='" + (chkDelete.Checked == true ? 'Y' : 'N') + "' where Pages ='" + Pages + "' and Role_Name='" + Session["Role_Name"].ToString() + "'and ID='"+ID+"'";
SqlCommand cmd = new SqlCommand(query, con);
cmd.ExecuteNonQuery();
populateGridview();

con.Close();
GridView1.DataBind();
}
}
}
}

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oliver grace · Answer 1 · 2014-04-13T23:01:00

protected void gvAppSelector_RowDataBound(object sender, GridViewRowEventArgs e)
{

DataRowView drv = (DataRowView)e.Row.DataItem;

if (e.Row.RowType == DataControlRowType.DataRow)
{
foreach (GridViewRow row in gvAppSelector.Rows) // For each row from the gridview
{
if ((row.FindControl("Yourcheckbox Id")as CheckBox).Checked) // Check for each row wheather checkbox has benn checked or not
}
}
}