How to bind gridview using SqlDataAdapter, DataTable and query in ASp.net ~ Asp.Net,C#.Net,VB.Net,MVC,jQuery,JavaScipt,AJAX,WCF,Sql Server example

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Introduction: In previous articles i explained How to bind gridview using SqlDataAdapter, SqlCommand, DataTable and Stored procedure in Asp.net and How to pass parameter to stored procedure using SqlDataAdapter and check login in asp.net and How to bind gridview using SqlDataAdapter, DataTable and Stored procedure in Sql server. There are multiple ways to bind GridView control with data in asp.net. In this article i will explain how to bind GridView using SqlDataAdapter, DataTable and inline query in Asp.net.

Create a Database e.g. "MyDataBase" and a table under that DataBase in Sql Server and name it "EMPLOYEE" as shown in figure:

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Note: EMP_ID column is set to Primary key and Identity specification is set to yes with Identity increment and Identity seed equal to 1. Insert some data in this table that you want to show in the Gridview.

Now in web.config file add the connectionstring under <configuration> tag :

Add a GridView control in design page of your asp.net website under <BODY> tag

<legend>Gridview Binding Example</legend>

<asp:GridView ID="EmpGridView" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None">

<asp:BoundField DataField="EMP_NAME" HeaderText="Name" />

<asp:BoundField DataField="DEPT" HeaderText="Department" />

<asp:BoundField DataField="SALARY" HeaderText="Salary" />

</Columns>

</asp:GridView>

</fieldset>

In the code behind file(.aspx.cs) of your asp.net website write the code as:

C#.Net Code to bind gridview using SqlDataAdapter, DataTable and query in Asp.net

First include the following namespaces

using System.Data;

using System.Data.SqlClient;

using System.Configuration;

then write code as:

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

BindEmpGrid();

}

private void BindEmpGrid()

{

DataTable dt = new DataTable();

try

{

SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["EmpCon"].ConnectionString);

SqlDataAdapter adp = new SqlDataAdapter("Select * from EMPLOYEE", con);

adp.Fill(dt);

if (dt.Rows.Count > 0)

{

EmpGridView.DataSource = dt;

EmpGridView.DataBind();

}

else

{

EmpGridView.DataSource=null;

EmpGridView.DataBind();

}

catch(Exception ex)

{

Response.Write("Error Occured: " + ex.ToString());

}

finally

{

dt.Clear();

dt.Dispose();

}

VB.Net Code to bind gridview using SqlDataAdapter, DataTable and query in Asp.net

First import the following namespaces

Imports System.Data

Imports System.Data.SqlClient

Imports System.Configuration

then write code as:

Protected Sub Page_Load(sender As Object, e As EventArgs)

If Not IsPostBack Then

BindEmpGrid()

End If

End Sub

Private Sub BindEmpGrid()

Dim dt As New DataTable()

Try

Dim con As New SqlConnection(ConfigurationManager.ConnectionStrings("EMpCon").ConnectionString)

Dim adp As New SqlDataAdapter("Select * from EMPLOYEE", con)

adp.Fill(dt)

If dt.Rows.Count > 0 Then

EmpGridView.DataSource = dt

EmpGridView.DataBind()

Else

EmpGridView.DataSource = Nothing

EmpGridView.DataBind()

End If

Catch ex As Exception

Response.Write("Error Occured: " & ex.ToString())

Finally

dt.Clear()

dt.Dispose()

End Try

End Sub

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How to bind gridview using SqlDataAdapter, DataTable and query in ASp.net

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