How to update gridView columns in viewstate

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Haiiii
I have 4 rows in GridView, each row having 9 columns, GridView is maintained in Viewstate. In GridView row two columns are TextBox-fields.

When i change the TextBox-field then three coumns are reflected in GridView. So, i need to know how to store these columns in Viewstate instead of row. Please tell me how to do.

Thanks in advance

Posted 11-Oct-13 1:47am

MANI 14

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Rakesh Meel · Answer 1 · 2013-10-11T03:38:00

Solution 1

visit here..

http://aspnet-with-c-sharp.blogspot.com/2010/12/viewstate-with-example-in-aspnet-c.html[^]

Posted 11-Oct-13 3:38am

Rakesh Meel

Vishnu Prajapati · Answer 2 · 2013-10-11T04:05:00

if (ViewState["PdataTable"] == null)
{
TempDTable.Columns.Add("QuestionID", typeof(string));
TempDTable.Columns.Add("ColumnName", typeof(string));
TempDTable.Columns.Add("ColumnType", typeof(string));
TempDTable.Columns.Add("OptionValues", typeof(string));
}
else
{
TempDTable = (DataTable)ViewState["PdataTable"];
}
DataRow row;
row = TempDTable.NewRow();

TextBox txtftrColName = (TextBox)GridViewColumns.FooterRow.FindControl("txtftrColName");
DropDownList DrpType = (DropDownList)GridViewColumns.FooterRow.FindControl("DrpType");
TextBox txtValues = (TextBox)GridViewColumns.FooterRow.FindControl("txtValues");

row["QuestionID"] = Qst3.Text;
row["ColumnName"] = txtftrColName.Text;
row["ColumnType"] = DrpType.SelectedItem.Text;
row["OptionValues"] = txtValues.Text;

TempDTable.Rows.Add(row);
ViewState["PdataTable"] = TempDTable;
this.GridViewColumns.Visible = true;

GridViewColumns.DataSource = TempDTable;
GridViewColumns.DataBind();