Comments by basurajkumbhar (Top 52 by date)

This is my complete class code



using Microsoft.VisualBasic;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Data.Common;
public class General_function
{
internal System.Windows.Forms.DataGridView DG_ItemShow;
public static object Get_Single_Value(string SQLQuery)
{
try
{
object SingleValue = null;
DbConnection cn = database_Object.GetConnection(database_Object.Provider);
DbCommand cmd = database_Object.GetCommand(database_Object.Provider);
if (cn.State == ConnectionState.Closed)
{
cn.ConnectionString = My.Settings.Trasns_DataConnectionString;
cn.Open();
}
cmd.Connection = cn;
cmd.CommandText = SQLQuery;

SingleValue = cmd.ExecuteScalar;

return SingleValue;
}
catch (Exception ex)
{
Interaction.MsgBox("error in Get_Single_Value : " + ex.Message);
}
}

public static long get_Max_value(string tablename, string fieldname)
{
try
{
long maxvalue = 0;
DbConnection cn = database_Object.GetConnection(database_Object.Provider);
DbCommand cmd = database_Object.GetCommand(database_Object.Provider);
if (cn.State == ConnectionState.Closed)
{
cn.ConnectionString = My.Settings.Trasns_DataConnectionString;
cn.Open();
}
cmd.Connection = cn;
cmd.CommandText = "select max(" + fieldname + ") From " + tablename;
string res = null;
res = cmd.ExecuteScalar.ToString;
if (string.IsNullOrEmpty(res))
{
maxvalue = 0;
}
else
{
maxvalue = long.Parse(res);
}
return maxvalue;
}
catch (Exception ex)
{
Interaction.MsgBox("Error in get_Max_value" + ex.Message);
}
}
public static int Save_Record(ArrayList Al, string TableName)
{
try
{
int Retval = 0;
Trasns_DataDataSet ds = new Trasns_DataDataSet();
DataTable dt = ds.Tables(TableName);
ArrayList tal = new ArrayList();
foreach (DataColumn cl in dt.Columns)
{
tal.Add(cl.ColumnName);
}

DbConnection cnn = default(DbConnection);
cnn = database_Object.GetConnection(database_Object.Provider);
cnn.ConnectionString = My.Settings.Trasns_DataConnectionString;
cnn.Open();
DbCommand cmd1 = default(DbCommand);
cmd1 = database_Object.GetCommand(database_Object.Provider);
cmd1.Connection = cnn;
string n = null;
for (int i = 0; i <= tal.Count - 1; i++)
{
n = "@" + tal(i).ToString;
DbParameter pa = database_Object.GetParameter(database_Object.Provider);
pa.ParameterName = n;
pa.Value = Al(i);
cmd1.Parameters.Add(pa);
}

n = "";
string v = "";
string sqlstr = "insert into " + TableName + " (";
for (int i = 0; i <= tal.Count - 1; i++)
{
n = n + "," + tal(i).ToString;
v = v + ",@" + tal(i).ToString;
}
n = Strings.Right(n, Strings.Len(n) - 1);
v = Strings.Right(v, Strings.Len(v) - 1);
sqlstr = sqlstr + n + ") values (" + v + ")";
cmd1.CommandText = sqlstr;
Retval = cmd1.ExecuteNonQuery;
return Retval;
}
catch (Exception ex)
{
Interaction.MsgBox("error in Save_Record : " + ex.Message);
}
}

public static int Delete_Record(ArrayList AlNa

How can i bind the string and image url
Because when the dropdownlist change the its value then the string value is change .
so...