Edit Delete

Question

Dear buddy, How to Edit Delete in DatagridView Control in asp.net application send me sample coding. Insert in spearte row outside gridview.

Sam Hobbs · Answer

I think the DataGridView Control is not used in ASP.Net.

Satyapriya Nayak · Answer

Hi Manuel, Try this... Untitled Page DataKeyNames="VendorId" AllowPaging="True" CellPadding="3" OnPageIndexChanging="ResultGridView_PageIndexChanging" OnRowDeleting="ResultGridView_RowDeleting" OnRowEditing="ResultGridView_RowEditing" OnRowUpdating="ResultGridView_RowUpdating" OnRowCancelingEdit="ResultGridView_RowCancelingEdit" PageSize="5" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellSpacing="2" OnRowCommand="ResultGridView_RowCommand" AllowSorting="true" onsorting="ResultGridView_Sorting"> ReadOnly="True" SortExpression="VendorId" /> '> '> '> '> '> '> '> '> '> '> '> '> onclick="btn_search_Click" /> 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 { string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; //SqlConnection conn = new SqlConnection(connStr); SqlDataAdapter ad = new SqlDataAdapter(); SqlCommand cmd = new SqlCommand(); DataTable dataTable; SqlDataAdapter sqlda; DataSet ds; string str; protected void Page_Load(object sender, EventArgs e) { Session["sortBy"] = null; if (!IsPostBack) { FillVendorGrid(); } } private void FillVendorGrid() { SqlConnection conn = new SqlConnection(connStr); dataTable = new DataTable(); cmd.Connection = conn; cmd.CommandText = "SELECT * FROM Vendor"; ad = new SqlDataAdapter(cmd); ad.Fill(dataTable); ResultGridView.DataSource = dataTable; ResultGridView.DataBind(); } protected void ResultGridView_RowEditing(object sender, GridViewEditEventArgs e) { ResultGridView.EditIndex = e.NewEditIndex; FillVendorGrid(); } protected void ResultGridView_PageIndexChanging(object sender, GridViewPageEventArgs e) { ResultGridView.PageIndex = e.NewPageIndex; FillVendorGrid(); } protected void ResultGridView_RowDeleting(object sender, GridViewDeleteEventArgs e) { SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "DELETE FROM Vendor WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); conn.Close(); FillVendorGrid(); } protected void ResultGridView_RowUpdating(object sender, GridViewUpdateEventArgs e) { TextBox txtFName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtFName"); TextBox txtLName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtLName"); TextBox txtCity = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCity"); TextBox txtState = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtState"); TextBox txtCountry = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCountry"); TextBox txtDescription = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtDescription"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "UPDATE Vendor SET VendorFName ='" + txtFName.Text + "',VendorLName ='" + txtLName.Text + "',VendorCity ='" + txtCity.Text + "',VendorState ='" + txtState.Text + "',VendorCountry ='" + txtCountry.Text + "',VendorDescription ='" + txtDescription.Text + "' WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); ResultGridView.EditIndex = -1; FillVendorGrid(); conn.Close(); } protected void ResultGridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { ResultGridView.EditIndex = -1; FillVendorGrid(); } protected void ResultGridView_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("AddNew")) { TextBox txtFName = (TextBox)ResultGridView.FooterRow.FindControl("txtFName1"); TextBox txtLName = (TextBox)ResultGridView.FooterRow.FindControl("txtLName1"); TextBox txtCity = (TextBox)ResultGridView.FooterRow.FindControl("txtCity1"); TextBox txtState = (TextBox)ResultGridView.FooterRow.FindControl("txtState1"); TextBox txtCountry = (TextBox)ResultGridView.FooterRow.FindControl("txtCountry1"); TextBox txtDescription = (TextBox)ResultGridView.FooterRow.FindControl("txtDescription1"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "INSERT INTO Vendor(VendorFName, VendorLName,VendorCity,VendorState,VendorCountry,VendorDescription) Values('" + txtFName.Text + "', '" + txtLName.Text + "', '" + txtCity.Text + "', '" + txtState.Text + "', '" + txtCountry.Text + "' , '" + txtDescription.Text + "')"; conn.Open(); cmd.ExecuteNonQuery(); FillVendorGrid(); conn.Close(); } } protected void btn_search_Click(object sender, EventArgs e) { SqlConnection conn = new SqlConnection(connStr); conn.Open(); str = "select * from Vendor where VendorFName like '" + TextBox1.Text + "%'"; cmd = new SqlCommand(str, conn); sqlda = new SqlDataAdapter(cmd); ds = new DataSet(); sqlda.Fill(ds, "Vendor"); conn.Close(); ResultGridView.DataSource = ds; ResultGridView.DataMember = "Vendor"; ResultGridView.DataBind(); } protected void ResultGridView_Sorting(object sender, GridViewSortEventArgs e) { Session["sortBy"] = e.SortExpression; FillVendorGrid(); } } Thanks

Satyapriya Nayak · Answer

Hi Manuel, Try this... Untitled Page DataKeyNames="VendorId" AllowPaging="True" CellPadding="3" OnPageIndexChanging="ResultGridView_PageIndexChanging" OnRowDeleting="ResultGridView_RowDeleting" OnRowEditing="ResultGridView_RowEditing" OnRowUpdating="ResultGridView_RowUpdating" OnRowCancelingEdit="ResultGridView_RowCancelingEdit" PageSize="5" BackColor="#DEBA84" BorderColor="#DEBA84" BorderStyle="None" BorderWidth="1px" CellSpacing="2" OnRowCommand="ResultGridView_RowCommand" AllowSorting="true" onsorting="ResultGridView_Sorting"> ReadOnly="True" SortExpression="VendorId" /> '> '> '> '> '> '> '> '> '> '> '> '> onclick="btn_search_Click" /> 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 { string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; //SqlConnection conn = new SqlConnection(connStr); SqlDataAdapter ad = new SqlDataAdapter(); SqlCommand cmd = new SqlCommand(); DataTable dataTable; SqlDataAdapter sqlda; DataSet ds; string str; protected void Page_Load(object sender, EventArgs e) { Session["sortBy"] = null; if (!IsPostBack) { FillVendorGrid(); } } private void FillVendorGrid() { SqlConnection conn = new SqlConnection(connStr); dataTable = new DataTable(); cmd.Connection = conn; cmd.CommandText = "SELECT * FROM Vendor"; ad = new SqlDataAdapter(cmd); ad.Fill(dataTable); ResultGridView.DataSource = dataTable; ResultGridView.DataBind(); } protected void ResultGridView_RowEditing(object sender, GridViewEditEventArgs e) { ResultGridView.EditIndex = e.NewEditIndex; FillVendorGrid(); } protected void ResultGridView_PageIndexChanging(object sender, GridViewPageEventArgs e) { ResultGridView.PageIndex = e.NewPageIndex; FillVendorGrid(); } protected void ResultGridView_RowDeleting(object sender, GridViewDeleteEventArgs e) { SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "DELETE FROM Vendor WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); conn.Close(); FillVendorGrid(); } protected void ResultGridView_RowUpdating(object sender, GridViewUpdateEventArgs e) { TextBox txtFName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtFName"); TextBox txtLName = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtLName"); TextBox txtCity = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCity"); TextBox txtState = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtState"); TextBox txtCountry = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtCountry"); TextBox txtDescription = (TextBox)ResultGridView.Rows[e.RowIndex].FindControl("txtDescription"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "UPDATE Vendor SET VendorFName ='" + txtFName.Text + "',VendorLName ='" + txtLName.Text + "',VendorCity ='" + txtCity.Text + "',VendorState ='" + txtState.Text + "',VendorCountry ='" + txtCountry.Text + "',VendorDescription ='" + txtDescription.Text + "' WHERE VendorId='" + ResultGridView.DataKeys[e.RowIndex].Values[0].ToString() + "'"; conn.Open(); cmd.ExecuteNonQuery(); ResultGridView.EditIndex = -1; FillVendorGrid(); conn.Close(); } protected void ResultGridView_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { ResultGridView.EditIndex = -1; FillVendorGrid(); } protected void ResultGridView_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName.Equals("AddNew")) { TextBox txtFName = (TextBox)ResultGridView.FooterRow.FindControl("txtFName1"); TextBox txtLName = (TextBox)ResultGridView.FooterRow.FindControl("txtLName1"); TextBox txtCity = (TextBox)ResultGridView.FooterRow.FindControl("txtCity1"); TextBox txtState = (TextBox)ResultGridView.FooterRow.FindControl("txtState1"); TextBox txtCountry = (TextBox)ResultGridView.FooterRow.FindControl("txtCountry1"); TextBox txtDescription = (TextBox)ResultGridView.FooterRow.FindControl("txtDescription1"); SqlConnection conn = new SqlConnection(connStr); cmd.Connection = conn; cmd.CommandText = "INSERT INTO Vendor(VendorFName, VendorLName,VendorCity,VendorState,VendorCountry,VendorDescription) Values('" + txtFName.Text + "', '" + txtLName.Text + "', '" + txtCity.Text + "', '" + txtState.Text + "', '" + txtCountry.Text + "' , '" + txtDescription.Text + "')"; conn.Open(); cmd.ExecuteNonQuery(); FillVendorGrid(); conn.Close(); } } protected void btn_search_Click(object sender, EventArgs e) { SqlConnection conn = new SqlConnection(connStr); conn.Open(); str = "select * from Vendor where VendorFName like '" + TextBox1.Text + "%'"; cmd = new SqlCommand(str, conn); sqlda = new SqlDataAdapter(cmd); ds = new DataSet(); sqlda.Fill(ds, "Vendor"); conn.Close(); ResultGridView.DataSource = ds; ResultGridView.DataMember = "Vendor"; ResultGridView.DataBind(); } protected void ResultGridView_Sorting(object sender, GridViewSortEventArgs e) { Session["sortBy"] = e.SortExpression; FillVendorGrid(); } } Thanks

Senthilkumar · Answer

Hi, There are many examples available. http://msdn.microsoft.com/en-us/library/ms972948.aspx http://www.aspdotnetcodes.com/GridView_Insert_Edit_Update_Delete.aspx http://www.csharpaspnetarticles.com/2009/05/gridview-sqldatasource-insert-edit.html http://geekswithblogs.net/dotNETvinz/archive/2009/02/22/gridview-insert-edit-update-and-delete--the-ado.net-way.aspx

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