public void gridCustInfoBinds(int pageIndex)
{
try
{
//open the db connection if it is closed...
if (connection.State == ConnectionState.Closed)
connection.Open();
string ColumnName = ddlColums.SelectedValue;
string ddlValue = ddlColumValue.SelectedValue;
string txtValue = txtColumValue.Text;
string status = ddlStatus.SelectedValue;
command = new SqlCommand();
command.CommandText = "sp_Get_CustInfoSerach2";
command.CommandType = CommandType.StoredProcedure;
command.Connection = connection;
command.Parameters.AddWithValue("@ColumnName", ColumnName);
command.Parameters.AddWithValue("@ddlValue", ddlValue);
command.Parameters.AddWithValue("@txtValue", txtValue);
command.Parameters.AddWithValue("@status", status);
command.Parameters.AddWithValue("@PageIndex", pageIndex);
command.Parameters.AddWithValue("@PageSize", int.Parse(ddlPaging.SelectedValue));
command.Parameters.Add("@RecordCount", SqlDbType.Int, 4);
//Note: Here throwing an error :Object cannot be cast from DBNull to other types.
command.Parameters["@RecordCount"].Direction = ParameterDirection.Output;
IDataReader idr = command.ExecuteReader();
gridCustomer.DataSource = idr;
gridCustomer.DataBind();
idr.Close();
connection.Close();
int recordCount = Convert.ToInt32(command.Parameters["@RecordCount"].Value);
this.PopulatePager(recordCount, pageIndex);
}
catch (Exception ex)
{
lblMessageCustSerach.Text = ex.Message;
lblMessageCustSerach.Visible = true;
}
finally //Close db Connection if it is open....
{
if (connection.State == ConnectionState.Open)
connection.Close();
}
}
//My Store procedure is
ALTER PROCEDURE Sp_get_custinfoserach2 (@PageIndex INT = 1,
@PageSize INT = 10,
@RecordCount INT output,
@ColumnName VARCHAR(50)=NULL,
@Value VARCHAR(50)=NULL,
@ddlValue VARCHAR(50)=NULL,
@txtValue VARCHAR(50)=NULL,
@status VARCHAR(30))
AS
BEGIN
SET nocount ON;
DECLARE @cmd AS NVARCHAR(max)
IF @txtValue IS NULL
BEGIN
SET @Value = '''' + @ddlValue + ''''
END
ELSE IF @ddlValue IS NULL
BEGIN
SET @Value = '''' + @txtValue + ''''
END
/*create a temp as same structure of your dynamic query select statement*/
SET @cmd ='CREATE TABLE #result
(
rownum INT,
userid INT,
NAME VARCHAR(100),
username VARCHAR(100),
status VARCHAR(15),
packageperiod VARCHAR(15),
packagename VARCHAR(100),
activationdate DATETIME,
oldexpirydate DATETIME,
balance NUMERIC(22, 4),
pyingamount NUMERIC(22, 4),
lastpaiddate DATETIME,
lastupdatetime DATETIME,
areaname VARCHAR(100),
mobno INT,
empname VARCHAR(100),
address VARCHAR(5000),
createddate DATETIME
)
Insert into #result
SELECT ROW_NUMBER() OVER (ORDER BY C_Register.UserId desc )AS RowNumber,
C_Register.UserId, C_Register.Name, C_Register.UserName,
C_Register.Status, Packages.PackagePeriod, Packages.PackageName,
C_Register.ActivationDate,Receive_Payment.OldExpiryDate,
Receive_Payment.Balance, Receive_Payment.PyingAmount,
Receive_Payment.LastPaidDate, C_Register.LastUpdateTime,
Area.AreaName, C_Register.MobNo, Employee.EmpName,
C_Register.Address,C_Register.CreatedDate
FROM C_Register INNER JOIN Receive_Payment ON C_Register.UserId = Receive_Payment.UserId
INNER JOIN Area ON C_Register.AreaId = Area.AreaId
INNER JOIN Employee ON Receive_Payment.EmpId = Employee.EmpId
INNER JOIN Packages ON Receive_Payment.PackageId = Packages.PackageId
where C_Register.AccountExpiry= Receive_Payment.OldExpiryDate And C_Register.Status = ' + @status + ' And ' + @ColumnName + ' = ' + @Value +
'SELECT @RecordCount = COUNT(*) FROM #results
SELECT * FROM #results
WHERE rownumber BETWEEN'+ cast(( cast(@PageIndex as int) - 1) * cast(@PageSize as int) + 1 as varchar(50))+' AND'+cast(((( @PageIndex - 1 ) * @PageSize+ 1 ) + @PageSize ) - 1 as varchar(50))
+ 'DROP TABLE #results'
EXEC(@cmd)
END