Frequently Done Task On Datagrid : PART - 2

Tool Tip on Datagrid Cells:

The Following Code will show tool tip on datagrid cells,

protected void DataGrid_ItemDataBound(object sender, DataGridItemEventArgs e)

{

if(e.Item.ItemType == ListItemType.AlternatingItem e.Item.ItemType == ListItemType.Item)

{

e.Item.Cells[1].ToolTip = e.Item.Cells[2].Text;

}

}

Datagrid with DropDownList:

The code below can be used to change the datgrid cell text based on the selection made on the dropdownlist in datagrid.

protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)

{

if(e.Item.ItemType == ListItemType.AlternatingItem e.Item.ItemType == ListItemType.Item)

{

string[] options = { "Satheesh", "Babu", "Ram" };
DropDownList list = (DropDownList)e.Item.FindControl("ItemDropDown"); list.DataSource = options;

list.DataBind();

e.Item.Cells[2].Text=list.SelectedItem.Text;

}

}

In HTML View, Find the dropdownlist inside the datagrid tag,

<ItemTemplate>
<asp:DropDownList id="ItemDropDown" OnSelectedIndexChanged="DropDown_SelectedIndexChanged"
Runat="server" AutoPostBack="True"></asp:DropDownList>
</ItemTemplate>

//This event is called whenever the dropdown selected item is changed,dont

// forget to set autopostback to true for the dropdown

protected void DropDown_SelectedIndexChanged(object sender, EventArgs e)

{

DropDownList list = (DropDownList)sender;

TableCell cell = list.Parent as TableCell;

DataGridItem item = cell.Parent as DataGridItem;

int index = item.ItemIndex;

item.Cells[0].Text=list.SelectedItem.Text;

//Setting Cells[0] to selected text

}

Accessing Footer TextBox:

By using the following code we can access the controls in footer of the datgrid,

private void dgCTF_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)

{

if(e.Item.ItemIndex==-1 & e.Item.ItemType==ListItemType.Footer)

{

TextBox t1=(TextBox)e.Item.FindControl("txtFerVal");

t1.Text="Satheesh babu";

}

}

Demo

Regards,

Satheesh