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SqlHelper.cs
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SqlHelper.cs
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using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
using System.Text;
namespace OPA.Business.SQLHandler
{
public class SqlHelper
{
public static string GetConnectionString(int dbId)
{
string ConnString = ConfigurationManager.ConnectionStrings["connectionPath"].ConnectionString;
return ConnString;
}
//public static void ExcuteNonQuery(string query, IDataParameter[] parameters, int dbId )
//{
// string connString;
// try
// {
// //List<SqlParameter> dbParams = new List<SqlParameter>();
// //dbParams.Add(new SqlParameter() { ParameterName = "@PromptID", SqlDbType = SqlDbType.DateTime2, Value = "" });
// connString = GetConnectionString(dbId);
// SqlConnection conn = new SqlConnection(connString);
// if (conn.State == ConnectionState.Closed)
// conn.Open();
// //conn.ConnectionTimeout = 0;
// SqlCommand cmd = new SqlCommand(query, conn);
// if (parameters != null)
// {
// foreach (SqlParameter parameter in parameters)
// {
// cmd.Parameters.Add(parameter.ParameterName, parameter.SqlDbType).Value = parameter.Value;
// }
// }
// //cmd.Parameters.AddRange(dbParams.ToArray());
// cmd.CommandTimeout = 0;
// cmd.ExecuteNonQuery();
// conn.Close();
// }
// catch (Exception ex)
// {
// }
//}
public static string CreateInsertStatement(string tableName, dynamic opaResponse, out List<SqlParameter> dbParams)
{
StringBuilder sqlStringValues = new StringBuilder();
StringBuilder sqlStringKeys = new StringBuilder();
dbParams = new List<SqlParameter>();
sqlStringKeys.Append("INSERT INTO ");
sqlStringKeys.Append(tableName + " ( ");
foreach (KeyValuePair<string, object> kvp in opaResponse)
{
sqlStringKeys.Append(string.Format("{0},", kvp.Key));
sqlStringValues.Append(String.Format("@{0},", kvp.Key));
if (kvp.Value.GetType() == typeof(DateTime))
{
dbParams.Add(new SqlParameter() { ParameterName = "@" + kvp.Key, SqlDbType = SqlDbType.DateTime2, Value = kvp.Value });
}
else
{
dbParams.Add(new SqlParameter() { ParameterName = "@" + kvp.Key, SqlDbType = SqlDbType.VarChar, Value = kvp.Value });
}
}
sqlStringKeys.Remove(sqlStringKeys.Length - 1, 1);
sqlStringKeys.Append(" ) VALUES ( ");
sqlStringValues.Remove(sqlStringValues.Length - 1, 1);
sqlStringValues.Append(")");
sqlStringKeys.Append(sqlStringValues.ToString());
return sqlStringKeys.ToString();
}
public static int ExcuteNonQuery(string query, List<SqlParameter> dbParams, int dbId)
{
int noOfRowsEffected;
SqlCommand cmd;
SqlConnection conn;
conn = new SqlConnection(GetConnectionString(dbId));
if (conn.State == ConnectionState.Closed)
conn.Open();
cmd = new SqlCommand(query, conn);
cmd.Parameters.AddRange(dbParams.ToArray());
noOfRowsEffected = cmd.ExecuteNonQuery();
conn.Close();
return noOfRowsEffected;
}
public static DataTable GetDataTableFromProc(string procName, IDataParameter[] parameters, int dbId)
{
DataTable dt;
using (var conn = new SqlConnection(GetConnectionString(dbId)))
{
var com = new SqlCommand();
com.Connection = conn;
com.CommandType = CommandType.StoredProcedure;
com.CommandText = procName;
dt = new DataTable();
if (parameters != null)
{
foreach (SqlParameter parameter in parameters)
{
com.Parameters.Add(parameter);
}
}
var adapt = new SqlDataAdapter();
adapt.SelectCommand = com;
var dataset = new DataSet();
adapt.Fill(dataset);
if (dataset.Tables.Count > 0)
dt = dataset.Tables[0];
}
return dt;
}
public static DataTable GetDataTable(string sqlString,int dbId )
{
var table = new DataTable();
using (var da = new SqlDataAdapter(sqlString, GetConnectionString(dbId)))
{
da.Fill(table);
}
return table;
}
public static string ExecuteScalar(string sqlString, IDataParameter[] parameters, int dbId)
{
SqlConnection cnn;
SqlCommand cmd;
string result = string.Empty;
using (cnn = new SqlConnection(GetConnectionString(dbId)))
{
cnn.Open();
cmd = new SqlCommand(sqlString, cnn);
if (parameters != null)
{
foreach (SqlParameter parameter in parameters)
{
cmd.Parameters.Add(parameter);
}
}
result = Convert.ToString(cmd.ExecuteScalar());
cmd.Dispose();
cnn.Close();
}
return result;
}
}
}