本文整理汇总了C#中DataTable.SetColumnsOrder方法的典型用法代码示例。如果您正苦于以下问题：C# DataTable.SetColumnsOrder方法的具体用法？C# DataTable.SetColumnsOrder怎么用？C# DataTable.SetColumnsOrder使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataTable的用法示例。
在下文中一共展示了DataTable.SetColumnsOrder方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: SearchDataTableToCSV
protected void SearchDataTableToCSV()
{
GetFinancialYear();
GetActualMonths();
GetForecastMonths();
SqlCommand cmd = new SqlCommand("SELECT DISTINCT TM.Resource_ID, TM.Project_ID, TM.Client_Name, TM.Sector_Name, TM.Project_Name, TM.Role_Name, TM.Resource_Name, TM.Type_Name, TM.Source_Name, TM.Resource_Buy, TM.Resource_Sell" + strActualMonths + strForecastMonths + " FROM (SELECT TL.Resource_ID, PI.Project_ID, CL.Client_Name, RC.Resource_Name, PR.Resource_Buy, PR.Resource_Sell, ER.Role_Name, ES.Source_Name, PI.Project_Name, PS.Sector_Name, PT.Type_Name" + strActualMonths + " FROM ProjectInformation as PI, RateCard as RC, TotalLookup as TL, ProjectResources as PR, ProjectSector as PS, ProjectType as PT, EmployeeRole as ER, EmployeeSource as ES, MonthlyTotals as TM, Clients as CL WHERE PI.Project_ID = TL.Project_ID AND PI.Project_Client = CL.Client_ID AND TL.Resource_ID = RC.Resource_ID AND PR.Project_ID = TL.Project_ID AND PR.Resource_ID = RC.Resource_ID AND PI.Project_Sector = PS.Sector_ID AND PI.Project_Type = PT.Type_ID AND TL.IsActual = 'true' AND TM.Total_ID = TL.Total_ID AND RC.Resource_Type = 'Employee' AND ER.Role_ID = PR.Employee_Role AND ES.Source_ID = PR.Employee_Source AND (RC.Resource_Name LIKE '%" + strSearchTerm + "%' OR PI.Project_Name LIKE '%" + strSearchTerm + "%' OR PT.Type_Name LIKE '%" + strSearchTerm + "%' OR PS.Sector_Name LIKE '%" + strSearchTerm + "%')) as TM LEFT OUTER JOIN(SELECT PI.Project_ID, RC.Resource_Name" + strForecastMonths + " FROM ProjectInformation as PI, RateCard as RC, TotalLookup as TL, ProjectResources as PR, ProjectSector as PS, ProjectType as PT, MonthlyTotals as SM WHERE PI.Project_ID = TL.Project_ID AND TL.Resource_ID = RC.Resource_ID AND PR.Project_ID = PI.Project_ID AND PR.Project_ID = TL.Project_ID AND PR.Resource_ID = RC.Resource_ID AND PI.Project_Sector = PS.Sector_ID AND PI.Project_Type = PT.Type_ID AND TL.IsActual = 'false' AND SM.Total_ID = TL.Total_ID AND RC.Resource_Type = 'Employee' AND (RC.Resource_Name LIKE '%" + strSearchTerm + "%' OR PI.Project_Name LIKE '%" + strSearchTerm + "%' OR PT.Type_Name LIKE '%" + strSearchTerm + "%' OR PS.Sector_Name LIKE '%" + strSearchTerm + "%')) as SM on TM.Resource_Name = SM.Resource_Name AND TM.Project_ID = SM.Project_ID ORDER BY TM.Client_Name, TM.Project_Name, TM.Resource_Name", SQLcon); SQLcon.Open();
dt = new DataTable();
SqlDataAdapter sqlAd = new SqlDataAdapter(cmd);
sqlAd.Fill(dt);
SQLcon.Close();
ActualIfPresent();
//Convert nulls to zero's
foreach (DataRow row in dt.Rows)
{
foreach (DataColumn col in dt.Columns)
{
if (row.IsNull(col))
row.SetField(col, 0);
}
}
//Remove unnecessary columns
dt.Columns.Remove("Resource_ID");
dt.Columns.Remove("Project_ID");
dt.Columns.Add("Margin", typeof(double), "((Resource_Sell-Resource_Buy)/Resource_Sell)*100");
dt.Columns.Add("Margin2");
dt.Columns.Add("Resource_Sell_Euro");
dt.Columns.Add("Blank_Column");
dt.Columns.Add("Total_Days");
dt.Columns.Add("Total_Days2");
dt.SetColumnsOrder("Client_Name", "Sector_Name", "Project_Name", "Type_Name", "Role_Name", "Resource_Name", "Source_Name", "Resource_Sell_Euro", "Resource_Sell", "Blank_Column", "Resource_Buy", "Margin2", "Total_Days", "Total_Days2");
int intRowIndex = 0;
foreach (DataRow row in dt.Rows)
{
double dblRowTotal = 0;
for (int i = 14; i <= 25; i++)
{
dblRowTotal += (double)(dt.Rows[intRowIndex][i]);
}
dt.Rows[intRowIndex]["Total_Days"] = dblRowTotal;
dt.Rows[intRowIndex]["Total_Days2"] = dblRowTotal;
dt.Rows[intRowIndex]["Margin2"] = (dt.Rows[intRowIndex]["Margin"]);
if ((string)dt.Rows[intRowIndex]["Margin2"] == "∞" || (string)dt.Rows[intRowIndex]["Margin2"] == "-∞" || (string)dt.Rows[intRowIndex]["Margin2"] == "NaN" || (string)dt.Rows[intRowIndex]["Margin2"] == "Infinity" || (string)dt.Rows[intRowIndex]["Margin2"] == "-Infinity")
{
dt.Rows[intRowIndex]["Margin2"] = 0;
}
else
{
dt.Rows[intRowIndex]["Margin2"] = Math.Round(Convert.ToDouble(dt.Rows[intRowIndex]["Margin2"].ToString()), 0);
}
intRowIndex++;
}
dt.Columns.Remove("Margin");
//Rename columns
dt.Columns["Resource_Name"].ColumnName = "Name";
dt.Columns["Project_Name"].ColumnName = "Project Name";
dt.Columns["Sector_Name"].ColumnName = "Sector";
dt.Columns["Client_Name"].ColumnName = "Client";
dt.Columns["Type_Name"].ColumnName = "Type";
dt.Columns["Role_Name"].ColumnName = "Role";
dt.Columns["Source_Name"].ColumnName = "Source";
dt.Columns["Resource_Buy"].ColumnName = "Pay (GBP)";
dt.Columns["Resource_Sell"].ColumnName = "Sell (GBP)";
dt.Columns["Resource_Sell_Euro"].ColumnName = "Sell (EUR)";
dt.Columns["Blank_Column"].ColumnName = " ";
dt.Columns["Total_Days"].ColumnName = "Total Days";
dt.Columns["Total_Days2"].ColumnName = "Currently Mapped Out";
dt.Columns["Margin2"].ColumnName = "Margin (%)";
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=ResourceExport.csv");
Response.Charset = "";
Response.ContentType = "application/text";
StringBuilder sBuilder = new System.Text.StringBuilder();
IEnumerable<string> columnNames = dt.Columns.Cast<DataColumn>().Select(column => column.ColumnName);
sBuilder.AppendLine(string.Join(",", columnNames));
foreach (DataRow row in dt.Rows)
{
IEnumerable<string> fields = row.ItemArray.Select(field => field.ToString());
sBuilder.AppendLine(string.Join(",", fields));
}
Response.Output.Write(sBuilder.ToString());
Response.Flush();
Response.End();
}