Dot Net Help Coding: GridView ADD,Delete,Update, paging and Sorting Simple Example

<table>
<tr>
<td align="center">
<table>
<tr>
<td>
UserID
</td>
<td>
<asp:TextBox ID="txtUserID" runat="server"></asp:TextBox>
</td>
<td>
UserName
</td>
<td>
<asp:TextBox ID="txtUserName" runat="server"></asp:TextBox>
</td>
<td>
Age
</td>
<td>
<asp:TextBox ID="txtAge" runat="server"></asp:TextBox>
</td>
<td>
<asp:Button ID="btnSubmit" runat="server" Text="Submit" OnClick="btnSubmit_Click" />
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center">
<asp:Panel ID="pnlGrid" runat="server" Width="1008px" Height="550px">
<asp:GridView ID="userGrid" runat="server" AutoGenerateColumns="false" AllowPaging="true"
AllowSorting="true" PageSize="5" OnRowEditing="userGrid_OnRowEditing" OnRowDeleting="userGrid_OnRowDeleting"
OnRowUpdating="userGrid_OnRowUpdating" OnPageIndexChanging="userGrid_PageIndexChanging"
OnRowCancelingEdit="userGrid_RowCancelingEdit" DataKeyNames="iUserID,strUserName"
EmptyDataText="no record Found" OnSorting="userGrid_sorting">
<Columns>
<asp:TemplateField HeaderText="S.NO">
<ItemTemplate>
<%# Container.DataItemIndex+1 %>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="UserName" SortExpression="strUserName">
<EditItemTemplate>
<asp:TextBox ID="txtUsername" runat="server" Text='<%#Bind("strUserName") %>'></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvEditusername" ValidationGroup="Edit" runat="server"
SetFocusOnError="true" Display="Dynamic" ControlToValidate="txtUsername" ErrorMessage="Please , Enter User Name."></asp:RequiredFieldValidator>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="label1" runat="server" Text='<%#Bind("strUserName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Age" SortExpression="iAge">
<EditItemTemplate>
<asp:TextBox ID="txtAge" runat="server" Text='<%#Bind("iAge") %>'></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvEditAge" ValidationGroup="Edit" runat="server"
SetFocusOnError="true" Display="Dynamic" ControlToValidate="txtAge" ErrorMessage="Please , Enter Age."></asp:RequiredFieldValidator>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="label1" runat="server" Text='<%#Bind("iAge") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowEditButton="true" />
<asp:CommandField ShowDeleteButton="true" />
</Columns>
<EmptyDataTemplate>
Sorry! Users record was not found.
</EmptyDataTemplate>
</asp:GridView>
</asp:Panel>
</td>
</tr>
</table>

-----------------------------------------------------------------------------------------------------
Using Image icon

<asp:TemplateField>
<EditItemTemplate>
<asp:ImageButton ID="imgUpdate" ImageUrl="~/Images/edit1.gif" runat="server" CommandName="update"
ToolTip="Update" CausesValidation="true" CommandArgument='<%#Eval("iUserID") %>' />
<asp:ImageButton ID="imgCancel" ImageUrl="~/Images/delete1.png" runat="server" CommandName="Cancel"
ToolTip="Cancel" CausesValidation="true" />
</EditItemTemplate>
<ItemTemplate>
<asp:ImageButton ID="imgEdit" ImageUrl="~/Images/edit.gif" runat="server" CommandName="Edit"
ToolTip="Edit" CausesValidation="true" />
<asp:ImageButton ID="imgDelete" ImageUrl="~/Images/delete.png" runat="server" CommandName="Delete"
ToolTip="Delete" CausesValidation="true" OnClientClick="return confirm('Do you want to delete?')" />
</ItemTemplate>
</asp:TemplateField>
------------------------------------------------------------------------------------------------------
GridView with DropDownList

<asp:TemplateField HeaderText="Location">

<asp:DropDownList ID="ddlCity" runat="server" Width="100px"/>

</ItemTemplate>

</asp:TemplateField>

protected void gvUserInfo_RowDataBound(object sender, GridViewRowEventArgs e)

{

if (e.Row.RowType == DataControlRowType.DataRow)

{

conn.Open();

var ddl = (DropDownList)e.Row.FindControl("ddlCity");

int UserID= Convert.ToInt32(e.Row.Cells[3].Text);

SqlCommand cmd = new SqlCommand("select * from State where iUserID=" + UserID, conn);

SqlDataAdapter da = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

da.Fill(ds);

conn.Close();

ddl.DataSource = ds;

ddl.DataTextField = "StateName";

ddl.DataValueField = "StateID";

ddl.DataBind();

ddl.Items.Insert(0, new ListItem("--Select--", "0"));

}

------------------------------------------------------------------------------------------------------
using System.Web.Configuration;
using System.Data.SqlClient;
using System.Data;
using System.Data.Common;

string connstring = WebConfigurationManager.ConnectionStrings["Test"].ConnectionString;
SqlConnection conn;
protected void Page_Load(object sender, EventArgs e)
{
conn = new SqlConnection(connstring);
if (!IsPostBack)
{

BindGrid();
}
}

private void BindGrid()
{
SqlCommand cmd = new SqlCommand("DBP_GetUserDetail");
cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataTable dt = new DataTable();
da.Fill(dt);
DataView DV = dt.DefaultView;

if (dt.Rows.Count > 0)
{
userGrid.DataSource = dt;
userGrid.DataBind();
ViewState["DTSource"] = dt;
if (SortExpression != null)
{
DV.Sort = SortExpression + " " + SortDirection;
}

userGrid.DataSource = DV;
userGrid.DataBind();
}
else
{
userGrid.DataSource = null;
userGrid.DataBind();
}

}
protected void userGrid_OnRowDeleting(object sender, GridViewDeleteEventArgs e)
{
int userID = Convert.ToInt32(userGrid.DataKeys[e.RowIndex].Values["iUserID"]);

SqlCommand cmd = new SqlCommand("DBP_UpdateUserDetail");
cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@indication", 2);
cmd.Parameters.AddWithValue("@iUserId", userID);

if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
cmd.ExecuteNonQuery();
if (conn.State == ConnectionState.Open)
{
conn.Close();
}

userGrid.EditIndex = -1;
BindGrid();

}
protected void userGrid_OnRowEditing(object sender, GridViewEditEventArgs e)
{
userGrid.EditIndex = e.NewEditIndex;
BindGrid();
}
protected void userGrid_OnRowUpdating(object sender, GridViewUpdateEventArgs e)
{
int userID = Convert.ToInt32(userGrid.DataKeys[e.RowIndex].Values["iUserID"]);
string username = Convert.ToString(userGrid.DataKeys[e.RowIndex].Values["strUserName"]);
TextBox txtname = (TextBox)userGrid.Rows[e.RowIndex].FindControl("txtUsername");
TextBox txtAge = (TextBox)userGrid.Rows[e.RowIndex].FindControl("txtAge");
SqlCommand cmd = new SqlCommand("DBP_UpdateUserDetail");
cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@indication", 1);
cmd.Parameters.AddWithValue("@iUserId", userID);
cmd.Parameters.AddWithValue("@strUserName", txtname.Text);
cmd.Parameters.AddWithValue("@iAge", txtAge.Text);

if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
cmd.ExecuteNonQuery();
if (conn.State == ConnectionState.Open)
{
conn.Close();
}
userGrid.EditIndex = -1;
BindGrid();
}

protected void userGrid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
userGrid.PageIndex = e.NewPageIndex;
BindGrid();
}
protected void userGrid_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
userGrid.EditIndex = -1;
BindGrid();
}

protected void userGrid_sorting(object sender, GridViewSortEventArgs e)
{
if (SortExpression != null)
{
if (SortExpression == e.SortExpression && SortDirection == "ASC")
SortDirection = "DESC";
else
SortDirection = "ASC";
}
SortExpression = e.SortExpression;
BindGrid();
}
private string SortDirection
{
get
{
if (ViewState["SortDirection"] != null)
return (String)ViewState["SortDirection"];
else return "ASC";
}
set
{
ViewState["SortDirection"] = value;
}
}
private string SortExpression
{
get
{
if (ViewState["SortExpression"] != null)
return ViewState["SortExpression"].ToString();
else return null;
}
set
{
ViewState["SortExpression"] = value;
}
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
SqlCommand cmd = new SqlCommand("DBP_UpdateUserDetail");
cmd.Connection = conn;
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@indication", 3);
cmd.Parameters.AddWithValue("@iUserID", txtUserID.Text);
cmd.Parameters.AddWithValue("@strUserName", txtUserName.Text);
cmd.Parameters.AddWithValue("@iAge", txtAge.Text);

if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
int result = cmd.ExecuteNonQuery();
if (conn.State == ConnectionState.Open)
{
conn.Close();
}
BindGrid();
}
----------------------------------------------------------------------------------------------

<connectionStrings>
<add name="Test" connectionString="Data Source=IP;Initial Catalog=GridTest;User ID=sa;password=sa@123" providerName="System.Data.SqlClient;"/>

</connectionStrings>

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Friday, 20 December 2013

GridView ADD,Delete,Update, paging and Sorting Simple Example

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