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using System; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Data.SqlClient; public partial class _Default : System.Web.UI.Page { SqlConnection newConnection = new SqlConnection(@"Data Source=R4R-3EFD13BB468\SQLEXPRESS; initial catalog=newDatabase;integrated security=true;"); protected void Page_Load(object sender, EventArgs e) { if(!Page.IsPostBack) bindData(); } public void bindData() { SqlCommand cmd = new SqlCommand ("select * from emp_tbl", newConnection); newConnection.Open(); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { GridView1.DataSource = dr; GridView1.DataBind(); } newConnection.Close(); } protected void GridView1_RowEditing (object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; bindData(); } protected void Button1_Click(object sender, EventArgs e) { newConnection.Open(); SqlCommand cmdd = new SqlCommand("update emp_tbl set nme=@a,age=@b where emp_id='"+TextBox3.Text+"'", newConnection); cmdd.Parameters.Add("@a",TextBox1.Text); cmdd.Parameters.Add("@b", TextBox2.Text); cmdd.ExecuteNonQuery(); newConnection.Close(); bindData(); } protected void GridView1_RowUpdating (object sender, GridViewUpdateEventArgs e) { string s = GridView1.DataKeys[e.RowIndex].Value.ToString(); newConnection.Open(); SqlCommand cmdd = new SqlCommand("select * from emp_tbl where emp_id='" + s + "'", newConnection); SqlDataReader dr1 = cmdd.ExecuteReader(); if (dr1.Read()) { TextBox1.Text = dr1["nme"].ToString(); TextBox2.Text = dr1["age"].ToString(); TextBox3.Text = dr1["emp_id"].ToString(); } newConnection.Close(); } protected void GridView1_RowCancelingEdit (object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; bindData(); } }
OutPut:
Click on the Edit Button which row you wado.net to update.
Click on the Update Button.
Edit your Values and click on Update, value is Updated.
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