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GridView with Buttons ASP.NET C#

GridView with Buttons ASP.NET C#

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First make a gridview in your .aspx page (Design page)

Here’s my code :


 <asp:GridView runat="server" ID="datagridview" CssClass="mydatagrid" AllowPaging="True"
            CellPadding="4" ForeColor="#333333" GridLines="None" BorderColor="#003300" BorderStyle="Solid"
            BorderWidth="1px" Font-Size="11pt" Font-Names="Century" OnPageIndexChanging="datagridview_PageIndexChanging"
            OnRowCommand="datagridview_RowCommand">
            <RowStyle BackColor="#EFF3FB" BorderColor="Black" BorderWidth="1px" />
            <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
            <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
            <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
            <EditRowStyle BackColor="#2461BF" BorderColor="Black" BorderStyle="Solid" BorderWidth="1px" />
            <AlternatingRowStyle BackColor="White" BorderColor="Black" BorderStyle="Solid" BorderWidth="1px" />
            <Columns>
                <asp:ButtonField ButtonType="Button" HeaderText="ClickHere" Text="ViewDetails" CommandName="ViewDetails" 
                    ControlStyle-BackColor="#507CD1" ControlStyle-ForeColor="White" ControlStyle-Font-Size="15px" />
            </Columns>
        </asp:GridView>

Add Labels like this below it


<br />
        <asp:Label runat="server" Text="Click On a Button to view details of a product" ID="lblname" ForeColor="#507CD1" Font-Size="20px"></asp:Label>
        <br />
        <asp:Label runat="server" Text="" ID="lbldesc" ForeColor="#507CD1" Font-Size="20px"></asp:Label>
        <br />
        <asp:Label runat="server" Text="" ID="lblstore" ForeColor="#507CD1" Font-Size="20px"></asp:Label>
        <br />
        <asp:Label runat="server" Text="" ID="lblprice" ForeColor="#507CD1" Font-Size="20px"></asp:Label>

Open your Web.config file and define your connectionString :

	<connectionStrings>
		<add name="myconnectionString" connectionString="Data Source=HITESH\SQLEXPRESS;Initial Catalog=MyDatabase;User ID=hitesh;Password=789"/>
	</connectionStrings>

Open code file .cs file

and write the code to fill the GridView

public void fillDataGrid()
    {
        con = new SqlConnection(myconnectionString);
        cmd = new SqlCommand("select * from mytable", con);
        con.Open();
        adapter = new SqlDataAdapter(cmd);
        ds = new DataSet();
        adapter.Fill(ds, "mytable");
        datagridview.DataSource = ds.Tables[0];
        datagridview.DataBind();
        con.Close();
    }

Call this method on PageLoad event

protected void Page_Load(object sender, EventArgs e)
    {
        fillDataGrid();
    }

Add the code for GridView Paging :


protected void datagridview_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        datagridview.PageIndex = e.NewPageIndex;
        fillDataGrid();
    }

Now for the GridView Button Click event :


protected void datagridview_RowCommand(object sender, GridViewCommandEventArgs e)
    {

        //Here we will be passing the command name which we assigned to the button
        if (e.CommandName == "ViewDetails")
        {
            int rowno = Int32.Parse(e.CommandArgument.ToString());  // It is the rowno of which the user as clicked
            
            string ProductName = datagridview.Rows[rowno].Cells[2].Text.ToString();  // logical 0,1,2,3,4,5
            lblname.Text = "Product name : " + ProductName;

            string ProductDesc = datagridview.Rows[rowno].Cells[3].Text.ToString();
            lbldesc.Text = "Product Desc : " + ProductDesc;

            string ProductStore = datagridview.Rows[rowno].Cells[4].Text.ToString();
            lblstore.Text = "At Store : " + ProductStore;

            string ProductPrice = datagridview.Rows[rowno].Cells[5].Text.ToString();
            lblprice.Text = "Product Price : " + ProductPrice;
            
        }
    }

Read the comments to understand the code, its pretty simple to understand.

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